package com.atguigu.gulimall.ssoclient.controller;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.client.RestTemplate;

import javax.servlet.http.HttpSession;
import java.util.ArrayList;
import java.util.List;

/**
 * @author 孤风雪影
 * @date 2021/1/17
 */
@Controller
public class HelloController {

    @Value("${sso.server.url}")
    String ssoServerUrl;

    /**
     * 无需登录就可访问，测试用
     *
     * @return
     */
    @ResponseBody
    @GetMapping("/hello")
    public String hello() {
        return "hello-2";
    }

    @GetMapping("/boss")
    public String employees(Model model, HttpSession session, @RequestParam(value = "token", required = false) String token) {

        if (!StringUtils.isEmpty(token)) {
            //认证后跳转回来的
            //TODO 去ssoserver验证token,查询用户信息
            RestTemplate restTemplate = new RestTemplate();
            ResponseEntity<String> entity = restTemplate.getForEntity("http://ssoserver.com:8080/userInfo?token=" + token, String.class);
            String username = entity.getBody();
            session.setAttribute("loginUser", username);
        }

        Object loginUser = session.getAttribute("loginUser");
        if (loginUser == null) {
            //没登录,跳转到登录服务器进行登录
            return "redirect:" + ssoServerUrl + "?redirect_url=http://client2.com:8082/boss";
        } else {
            List<String> emps = new ArrayList<>();
            emps.add("张三");
            emps.add("李四");
            model.addAttribute("emps", emps);
            return "list";
        }

    }
}
